主题：公式中未来定义变量

vv:"vol##MIN5";

XX:=BARSLAST(VV<>REF(VV,1))+1;
SP:=ISLASTBAR||REFX(XX=1,1);
OO:=REF(O,XX-1);

DRAWSL(SP&&C>OO,OO,0,-XX+1,0,COLORRED),LINETHICK2;
DRAWSL(SP&&C<OO,OO,0,-XX+1,0,COLORGREEN),LINETHICK2;
DRAWSL(SP&&C=OO,OO,0,-XX+1,0,COLORGRAY),LINETHICK2;

DRAWSL(SP&&C>OO,C,0,-XX+1,0,COLORRED),LINETHICK2;
DRAWSL(SP&&C<OO,C,0,-XX+1,0,COLORGREEN),LINETHICK2;

DRAWLINE(SP&&C>OO,C,1,OO,COLORRED),LINETHICK2;
DRAWLINE(SP&&C>OO,C,XX-1,1,OO,XX-1,0),COLORRED,LINETHICK2;
DRAWLINE(SP&&C>OO,HHV(H,XX),XX/2-1,1,C,XX/2-1,0),COLORRED,LINETHICK2;
DRAWLINE(SP&&C>OO,LLV(L,XX),XX/2-1,1,OO,XX/2-1,0),COLORRED,LINETHICK2;

DRAWLINE(SP&&C<OO,C,1,OO,COLORGREEN),LINETHICK2;
DRAWLINE(SP&&C<OO,C,XX-1,1,OO,XX-1,0),COLORGREEN,LINETHICK2;
DRAWLINE(SP&&C<OO,HHV(H,XX),XX/2-1,1,OO,XX/2-1,0),COLORGREEN,LINETHICK2;
DRAWLINE(SP&&C<OO,LLV(L,XX),XX/2-1,1,C,XX/2-1,0),COLORGREEN,LINETHICK2;

DRAWLINE(SP&&C=OO,C,1,OO,COLORGRAY),LINETHICK2;
DRAWLINE(SP&&C=OO,C,XX-1,1,OO,XX-1,0),COLORGRAY,LINETHICK2;
DRAWLINE(SP&&C=OO,HHV(H,XX),XX/2-1,1,OO,XX/2-1,0),COLORGRAY,LINETHICK2;
DRAWLINE(SP&&C=OO,LLV(L,XX),XX/2-1,1,C,XX/2-1,0),COLORGRAY,LINETHICK2;

HH:IF(SP,HHV(H,XX),NULL);
LL:IF(SP,LLV(L,XX),NULL);

N:=5;
HHH:=SP && HH>REF(HHV(HH,5*N),1) && HH>=REFX(HHV(HH,5*N),5*N);
LLL:=SP && LL<REF(LLV(LL,5*N),1) && LL<=REFX(LLV(LL,5*N),5*N);